package xiyuan.view.servlet;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import xiyuan.localio.ViewInfoReader;
import xiyuan.view.json.JsonUtil;

public class ViewInfoServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ViewInfoServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/json");
		String str;
		str = request.getParameter("type");
		//if (str.equals("user")){
			PrintWriter out = response.getWriter();
			String tmp = new BufferedReader(new FileReader(new File("users.json"))).readLine();
			out.println(tmp);
			out.flush();
			out.close();
		/*}else if (str.equals("view")){
			OutputStream out = response.getOutputStream();
			JsonUtil ju = new JsonUtil();
			try {
				ju.init(out);
				ju.getUserList(
						new ViewInfoReader("大学",
								new String[]{"水饺","饮食","国防部"})
						.getViewInformation().getUsers());
				ju.destory();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			out.flush();
			out.close();
		}*/
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
